Home / 75,560.64-113,338.08-20,156.16

Finding the Fourth Proportional to 75,560.64, 113,338.08 and 20,156.16

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Solution

The fourth proportional to 75,560.64, 113,338.08 and 20,156.16 is: 30,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,560.64 : 113,338.08 = 20,156.16 : x
  2. Step 2: Convert to fraction form
    75,560.64/113,338.08 = 20,156.16/x
  3. Step 3: Cross multiply
    75,560.64x = 113,338.08 × 20,156.16
  4. Step 4: Simplify right side
    75,560.64x = 2,284,460,474.57
  5. Step 5: Solve for x
    x = 2,284,460,474.57/75,560.64
  6. Step 6: Final answer
    x = 30,233.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.